CN114407714A - Vehicle charging control method, apparatus, device, medium, and program product - Google Patents

Vehicle charging control method, apparatus, device, medium, and program product Download PDF

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Publication number
CN114407714A
CN114407714A CN202210162815.4A CN202210162815A CN114407714A CN 114407714 A CN114407714 A CN 114407714A CN 202210162815 A CN202210162815 A CN 202210162815A CN 114407714 A CN114407714 A CN 114407714A
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China
Prior art keywords
charging
vehicle
state
preset
output
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Pending
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CN202210162815.4A
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Chinese (zh)
Inventor
尚岩
郭水保
姜代平
张瑞丰
宗源
赵悦
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Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Priority to CN202210162815.4A priority Critical patent/CN114407714A/en
Publication of CN114407714A publication Critical patent/CN114407714A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The application provides a vehicle charging control method, a vehicle charging control device, a vehicle charging control apparatus, a vehicle charging control medium and a vehicle charging control program product, wherein when a vehicle is in a charging state, if a preset trigger action of a user is detected by a charging gun, a stop instruction is sent to a charging module; when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal; if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun; if so, the locked state of the locking mechanism is maintained. The technical problems that in the prior art, the length of a time period from the charging ending instruction to the unlocking of the charging gun is too long, charging is interrupted maliciously by a non-vehicle owner, and the gun is pulled out maliciously are solved. The technical effects that the charging gun can be pulled out by stopping the charging gun immediately after being pressed and the user hardly feels delay are achieved.

Description

Vehicle charging control method, apparatus, device, medium, and program product
Technical Field
The present application relates to the field of new energy vehicles, and in particular, to a vehicle charging control method, apparatus, device, medium, and program product.
Background
With the continuous development of new energy automobile technology, new energy automobiles are also gradually popularized. Charging new energy automobiles is a common scene in the daily use process.
However, since the charging mode is different from the traditional fuel vehicle refueling mode, when the user wants to finish the charging, the tolerance of the user to the delay of the charging system is much higher than the tolerance of the delay of pulling out the fuel gun when the user stops refueling. Because the electricity is invisible, the delay of the prior art from the time when the user gives the instruction to finish charging to the time when the charging gun is unlocked cannot meet the use requirement of the user.
Namely, the technical problem that the length of the time period from the charging ending instruction to the unlocking of the charging gun is too long exists in the prior art.
Disclosure of Invention
The application provides a vehicle charging control method, a vehicle charging control device, a vehicle charging control medium and a program product, and aims to solve the technical problems that in the prior art, the length of a time period from the time when a charging finishing instruction is sent to the time when a charging gun is unlocked is too long, charging is interrupted maliciously by a non-vehicle owner, and the gun is pulled out maliciously.
In a first aspect, the present application provides a vehicle charging control method applied to a charging pile, including:
when the vehicle is in a charging state, if the fact that a user performs a preset trigger action is detected through the charging gun, a stop instruction is sent to the charging module;
when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal;
if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun;
if so, the locked state of the locking mechanism is maintained.
In one possible design, detecting that the output state of the charging module begins to change includes:
acquiring output voltage and/or output current of a charging module;
determining that the output state begins to change when the output voltage and/or the output current begins to decrease;
correspondingly, and the output state has not reached the preset safe state yet, including:
and the output voltage does not reach the preset safe voltage and/or the output current does not reach the preset safe current.
In one possible design, the method further includes:
and when the output state is detected to reach the preset safety state, sending a disconnection instruction to a contactor to cut off the output of the charging energy, wherein the contactor is used for outputting the charging energy.
In one possible design, when the vehicle is in the locked state, the method further includes:
sending a notification message to the vehicle or the mobile user terminal so as to output a prompt message through the vehicle and/or the mobile user terminal, wherein the prompt message has the functions of: the vehicle is prompted to be in a locked state and/or a person is prompted to attempt to stop charging the vehicle.
Optionally, the method for outputting the prompt message by the vehicle includes:
displaying prompt information through a vehicle-mounted display screen;
and/or playing prompt information through a vehicle-mounted voice system;
and/or outputting prompt information through lamps and/or loudspeakers on the vehicle.
In one possible design, after sending the unlocking command to the locking mechanism, the method further includes:
when the charging gun is detected not to be taken down from the vehicle within a first preset time period, sending a locking instruction to a locking mechanism to enable the charging gun to be locked again;
and sending a starting instruction to the charging module to recharge the vehicle.
In one possible design, after maintaining the locked state of the locking mechanism, the method further includes:
and when the unlocking of the vehicle is not detected within a second preset time period, sending a starting instruction to the charging module to recharge the vehicle.
In a second aspect, the present application provides a vehicle charge control apparatus comprising:
the detection module is used for detecting whether a user performs a preset trigger action or not through the charging gun when the vehicle is in a charging state;
the processing module is used for sending a stopping instruction to the charging module if the charging gun detects that the user performs the preset triggering action;
the detection module is also used for detecting the output state of the charging module;
the processing module is further configured to:
when the stop instruction is sent, or the output state of the charging module is detected to start changing and the output state does not reach a preset safety state, judging whether the vehicle is locked or not according to the received vehicle door state signal in parallel;
if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to a locking mechanism, so that the user can take out the charging gun;
and if so, maintaining the locking state of the locking mechanism.
In one possible embodiment, the detection module is used for obtaining an output voltage and/or an output current of the charging module;
a processing module to: determining that the output state begins to change when the output voltage and/or the output current begins to decrease; and the output voltage does not reach the preset safe voltage and/or the output current does not reach the preset safe current, and the output state is determined not to reach the preset safe state.
In one possible design, the processing module is further configured to: and when the output state is detected to reach the preset safety state, sending a disconnection instruction to a contactor to cut off the output of the charging energy, wherein the contactor is used for outputting the charging energy.
In one possible design, the processing module is further configured to: when the vehicle is in a locked state, sending notification information to the vehicle or the mobile user terminal so as to output prompt information through the vehicle and/or the mobile user terminal, wherein the prompt information has the functions of: the vehicle is prompted to be in a locked state and/or a person is prompted to attempt to stop charging the vehicle.
Optionally, the method for outputting the prompt message by the vehicle includes:
displaying prompt information through a vehicle-mounted display screen;
and/or playing prompt information through a vehicle-mounted voice system;
and/or outputting prompt information through lamps and/or loudspeakers on the vehicle.
In one possible design, after the locking mechanism is unlocked, the detection module is further configured to detect whether the charging gun is removed from the vehicle within a first preset time period;
a processing module further configured to:
when the charging gun is detected not to be taken down from the vehicle within a first preset time period, sending a locking instruction to a locking mechanism to enable the charging gun to be locked again;
and sending a starting instruction to the charging module to recharge the vehicle.
In one possible design, the detection module is further configured to detect whether the vehicle is unlocked within a second preset time period when the locking mechanism maintains the locked state;
and the processing module is further used for sending a starting instruction to the charging module to recharge the vehicle when the unlocking of the vehicle is not detected within a second preset time period.
In a third aspect, the present application provides an electronic device comprising:
a memory for storing program instructions;
and the processor is used for calling and executing the program instructions in the memory to execute any one of the possible vehicle charging control methods provided by the first aspect.
In a fourth aspect, the present application provides a vehicle comprising: the electronic device provided by the third aspect.
In a fifth aspect, the present application provides a storage medium having a computer program stored thereon for executing any one of the possible vehicle charging control methods provided by the first aspect.
In a sixth aspect, the present application also provides a computer program product comprising a computer program that, when executed by a processor, implements any one of the possible vehicle charging control system methods provided by the first aspect.
The application provides a vehicle charging control method, a vehicle charging control device, a vehicle charging control apparatus, a vehicle charging control medium and a vehicle charging control program product, wherein when a vehicle is in a charging state, if a preset trigger action of a user is detected by a charging gun, a stop instruction is sent to a charging module; when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal; if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun; if so, the locked state of the locking mechanism is maintained. After the charging stopping instruction is sent, the unlocking of the charging gun is completed in the process that the output state of the charging module is reduced, and the technical problem that the length of the time period from the charging stopping instruction to the unlocking of the charging gun is too long in the prior art is solved. The charging gun can be pulled out by stopping the charging gun according to the voltage, and the technical effect of using experience of a user is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic view of an application scenario of vehicle charge control according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a vehicle charging control method according to an embodiment of the present disclosure;
FIG. 3 is a schematic flow chart illustrating another vehicle charging control method according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a vehicle charging control device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device provided in the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, including but not limited to combinations of embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any inventive step are within the scope of the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
When the charging of the existing electric automobile is finished, a user needs to stop through a screen on a charging pile or a mobile phone or a stop button on a charging gun, then waiting is carried out when voltage or current drops to 0, then unlocking of the charging gun is carried out, then the user can pull out the charging gun, and in the prior art, an owner or a non-owner can unlock and pull out the gun, so that even if the operation is optimized to click one button, the user still feels that the waiting time is too long, the phenomenon of obvious pause waiting occurs, the user feels sluggish in response, and the user experience is influenced.
In addition, in the prior art, a non-vehicle owner can stop charging and pulling the gun, which may cause the conditions of maliciously interrupted charging and maliciously pulling the gun, and the purpose that the vehicle owner fully charges the electric vehicle cannot be achieved. This affects the charging integrity and safety.
The technical problems that the length of the time period from the charging ending instruction to the unlocking of the charging gun is too long, charging is interrupted maliciously by a non-vehicle owner and the gun is pulled out maliciously exist in the prior art.
In order to solve the above problems, the inventive concept of the present application is:
the method comprises the steps of obtaining the locking state of a vehicle in parallel from the time when a user presses a stop button to the time when the voltage or the current drops to a small enough safety threshold, and judging whether the charging gun can be unlocked or not, so that a serial processing mode in the prior art can be changed into parallel processing, the waiting time of the user is greatly reduced, the charging gun can be unlocked before or when the voltage or the current drops to the safety threshold, the user can feel that the charging gun stops immediately after pressing, the gun can be pulled out, the delay pause is basically not felt at one time, and the use experience of the user is improved. And the gun can be stopped immediately by pressing and pulled out, so that the user can drive and leave as fast as possible when dealing with emergency, and the emergency danger avoidance of the user is guaranteed. And can also solve the situation that the non-owner maliciously stops charging and pulls out the gun because the non-owner can not unlock the vehicle without the vehicle key.
In addition, in one possible design, whether a vehicle with a dedicated protocol or a vehicle without a dedicated protocol is provided as follows: the charging gun can be directly stopped to charge and unlocked after the microswitch of the charging gun is pressed for a long time, such as 1s, namely, the user is allowed to pull out the charging gun, so that the charging gun can be adapted to vehicles with different charging protocols, the charging of the vehicles with different protocols is stopped, and the charging gun can be pulled out by the user.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of an application scenario of vehicle charge control according to an embodiment of the present application. As shown in fig. 1, the charging pile 1 is connected to a charging socket 7 on the body of an electric vehicle 8 through a charging cable 3 and a charging gun 4. The charging gun 4 is provided with a microswitch 5 and an electronic lock 6, the charging pile 1 is provided with an ECU (electronic Control unit) electronic controller 2, and the electric vehicle 8 is further provided with an ECU electronic controller 9 and a BMS (Battery Management System) battery Management system 10.
How to implement the vehicle charging control method provided by the present application is described in detail below.
Fig. 2 is a schematic flowchart of a vehicle charging control method according to an embodiment of the present application. As shown in fig. 2, the vehicle charging control method is applied to a charging pile, and specifically includes the following steps:
s201, when the vehicle is in a charging state, if the fact that the user performs a preset trigger action is detected through the charging gun, a stop instruction is sent to a charging module.
In this step, the vehicle is in a charging state: as shown in fig. 1, before the electric vehicle 8 is fully charged, the charging pile 1 charges the electric vehicle 8 through the charging gun 4.
The preset trigger action comprises the following steps: at least one of grasping a handle of the charging gun, pressing a micro switch 5 on the charging gun, passing a posture sensing area when the hand extends to the charging gun, and the like.
It should be noted that, when the handle of the charging gun is grasped, the preset trigger action may be detected by providing a pressure sensor on the handle; the preset action can be detected by an electric signal generated when the microswitch 5 is pressed down; when the hand passes through the gesture sensing area, the preset trigger action can be detected through image acquisition equipment (such as a camera and an infrared spectrometer) or a radar on the charging gun.
As shown in fig. 1, when receiving a trigger signal that the charging gun detects a preset trigger action, the ECU electronic controller 2 of the charging pile sends a stop instruction to a charging module, such as an AC-dc (alternating Current to Direct Current) conversion module, inside the charging pile to stop outputting the charging energy.
It should be noted that due to the physical characteristics of the electrical energy and the shutdown characteristics of the charging module, it does not become 0 directly, which is ideal, when it stops, but it takes a time to fall. This is also the root reason why the prior art technique produces a delay wait when the charging is turned off.
S202, when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to the received vehicle door state signal.
In the step, two implementation modes are included, wherein one mode is that the ECU (electronic control unit) 2 of the charging pile sends a stop instruction to the charging module and simultaneously judges whether the vehicle is unlocked or not; the other way is that when the charging module receives a stop instruction and starts to cut off the charging energy supply, the output state of the charging module starts to change, and at this time, there are two ways, namely, the charging module feeds back a response signal to the ECU electronic controller 2, and the other way is that the output state of the output end is monitored in real time through a sensor at the output end of the charging module, and if the output state of the output end starts to change, the ECU electronic controller 2 synchronously and parallelly judges whether the vehicle is unlocked.
Specifically, the embodiment of determining whether the vehicle is unlocked includes: as shown in fig. 1, after the charging is started and the charging gun 4 is connected to the vehicle charging socket 7, the electric vehicle 8 starts to periodically send a door status signal to the ECU electronic controller 2 on the charging pile 1.
Compared with the method and the technology in the prior art that the vehicle door state signal is received first, the stop instruction is sent out, and finally the charging module is waited to stop and fall to the safe range, the method and the technology for judging whether the vehicle is unlocked in parallel can greatly save waiting time.
It should be noted that, in the prior art, it is determined whether the vehicle is locked or not until the output voltage or the output current of the charging module drops to 0, so that the user obviously feels a delay, and the user experience is affected by the slow response of the system. The method is changed, whether the vehicle is locked or not is judged and processed in parallel in the process of waiting for the voltage/current output by the charging pile to be reduced, the charging gun can be unlocked immediately when the vehicle is reduced to a safety range, and the delay time is greatly shortened. In addition, the user can unlock and pull out the charging gun as soon as possible in an emergency, and drive the vehicle away for emergency danger avoidance. Since in an emergency situation 1 second may be vital.
If the vehicle is judged to be unlocked synchronously in parallel, step S203 is executed, otherwise, step S204 is executed.
And S203, when the preset safety state is reached or before the preset safety state is reached, sending an unlocking instruction to the locking mechanism so that the user can take out the charging gun.
In this step, when or before the preset safety state is reached, if it is determined that the vehicle has been unlocked, that is, the user has unlocked the vehicle by the vehicle key, an unlocking instruction is sent to the locking mechanism for locking the connection between the vehicle and the charging gun, so that the unlocking mechanism is changed from the locked state to the unlocked state, and thus the user can take the charging gun 4 out of the charging receptacle 7 on the body of the electric vehicle 8. The locking mechanism is used for preventing the charging gun from being pulled out in the charging process of the vehicle, namely, the charging gun is pulled out in an electrified mode, so that the potential safety hazard of electric shock is avoided.
Optionally, a gun pulling prompt lamp or a buzzer is arranged on the charging gun, and the prompt lamp is turned on when the gun can be pulled out, or the color of the gun is changed, or the buzzer sounds.
Further, in order to avoid the situation that the electric shock is caused by the fact that a user pulls out a gun when the output state of the output end does not reach the preset safety state, if the electric shock can be already unlocked before the preset safety state reaches, the locking mechanism can be synchronously unlocked only when the preset safety state reaches. Or when the preset safety state is reached, the prompt information of pulling out the gun is output.
In one possible design, when it is detected that the charging gun is not removed from the vehicle within a first preset time period, a locking command is sent to the locking mechanism to enable the charging gun to be locked again; and sending a starting instruction to the charging module to recharge the vehicle.
Specifically, if the user does not take off the charging gun 4 from the charging socket 7 of the electric vehicle 8 within 5 to 10S, for example, if the charging socket 7 or a contact sensor or a contact switch of the charging gun 4 detects that the charging gun is still connected to the charging socket 7, the user is considered to have temporarily changed the intention, the charging gun is locked again, and charging is performed again.
Optionally, before sending the locking instruction to the locking mechanism or before sending the opening instruction to the charging module, the electric quantity of the vehicle is detected, and if the electric quantity is greater than the preset threshold, the vehicle is not locked and/or is not recharged.
And S204, maintaining the locking state of the locking mechanism.
In this step, when or before the preset safety state is reached, if it is determined that the vehicle is not unlocked, that is, the user does not unlock the vehicle through the vehicle key, it may be that, instead of the owner of the vehicle wanting to end charging, another person does not agree with the owner of the vehicle to end charging, or the owner of the vehicle forgets to unlock the vehicle, and in any case, the locking mechanism maintains the locked state to prevent the charging gun from being pulled out.
Optionally, the vehicle can send out prompt information in step, for example, open double flashing and/or whistle in order to remind the owner to unlock the vehicle, and also can remind the owner that someone wants to remove the charging gun through the form of sending the short message of the mobile phone, so that the owner can timely carry out safety check.
In one possible design, when the unlocking of the vehicle is not detected within a second preset time period, a turn-on command is sent to the charging module to recharge the vehicle.
Optionally, before sending the start instruction to the charging module, the electric quantity of the vehicle is detected, and if the electric quantity is greater than a preset threshold, the vehicle is not recharged.
The embodiment provides a vehicle charging control method, which includes that when a vehicle is in a charging state, if a charging gun detects that a user performs a preset trigger action, a stop instruction is sent to a charging module; when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal; if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun; if so, the locked state of the locking mechanism is maintained. After the charging stopping instruction is sent, the unlocking of the charging gun is completed in the process that the output state of the charging module is reduced, and the technical problem that the length of the time period from the charging stopping instruction to the unlocking of the charging gun is too long in the prior art is solved. The charging gun can be pulled out by stopping the charging gun according to the voltage, and the technical effect of using experience of a user is improved.
Fig. 3 is a schematic flowchart of another vehicle charging control method implemented and provided by the present application. As shown in fig. 3, the specific steps of the vehicle charging control include:
s301, when the vehicle is in a charging state, if the fact that the user performs a preset trigger action is detected through the charging gun, a stop instruction is sent to the charging module.
For the specific implementation principle and name explanation of this step, reference may be made to S201, which is not described herein again.
S302, while sending a stop instruction, acquiring the output voltage and/or the output current of the charging module in parallel.
In this step, the output voltage and/or the output current is detected by a voltage and/or current sensor at the output of the charging module.
And S303, determining whether the output voltage and/or the output current start to change or not and the preset safe voltage or the preset safe current is not reached.
In this step, when the output voltage and/or the output current starts to decrease, it is determined that the output state starts to change, and the output voltage does not reach the preset safe voltage, and/or the output current does not reach the preset safe current, it is determined that the output state does not reach the preset safe state.
It should be noted that the preset safe voltage and the preset safe current include: the limit values of the direct current voltage and the direct current which can be borne by the human body are 36V direct current voltage and 10mA direct current.
Optionally, it is the preset safe state that the preset safe voltage and the preset safe current are both 0.
And S304, judging whether the vehicle is locked or not according to the received door state signal.
In this step, if yes, step S305 is executed, otherwise, step S306 is executed.
And S305, when the preset safety state is reached or before the preset safety state is reached, sending an unlocking instruction to the locking mechanism so that the user can take out the charging gun.
S306, keeping the locking state of the locking mechanism, and sending a notification message to the vehicle or the mobile user terminal so as to output a prompt message through the vehicle and/or the mobile user terminal.
In this step, the role of the prompt message includes: the vehicle is prompted to be in a locked state and/or a person is prompted to attempt to stop charging the vehicle.
And S307, when the output state is detected to reach the preset safety state, sending a disconnection command to the contactor to cut off the output of the charging energy.
In this step, the contactor is used to output charging energy.
In the present embodiment, this step is executed when the output state reaches the preset safe state regardless of whether the vehicle is locked as determined in S304, and for this reason, step S307 is provided in fig. 3 for both cases of steps S305 and S306.
S308, whether the charging gun is taken down from the vehicle within a first preset time period is detected.
In this step, if yes, the process is terminated, and if no, S309 is executed.
Note that this step is executed when S305 corresponds to this, that is, when the vehicle has been unlocked.
And S309, sending a locking command to the locking mechanism to enable the charging gun to be locked again.
In this step, the charging gun is not removed, representing that the user may temporarily change his will or need to deal with other things. At this time, in order to prevent the charging gun from being taken down by others and prevent the vehicle owner from stealing the vehicle, the charging gun and the charging socket on the vehicle are locked again.
And S310, sending a starting instruction to the charging module to recharge the vehicle.
In this step, the user still does not take down the charging gun within a first preset time period, such as 5 to 10S, and then it can be understood that: the owner may be triggered by mistake or want to continue charging after stopping.
And S311, detecting whether the vehicle is unlocked in a second preset time period.
In this step, if yes, S308 is executed, and if no, S309 is executed.
In the case where S306 corresponds to this step, that is, when the vehicle is not unlocked, this step is executed.
Specifically, the whole process of this embodiment includes:
the user electric automobile needs to be charged, and the vehicle drives into the charging potential, takes off the rifle that charges, inserts the rifle that charges into the car socket that charges, makes rifle and socket connection. And opening the charging pile, and starting the vehicle to charge by the charging pile.
When the vehicle is unlocked and charging needs to be finished, the gun microswitch is pressed, and the charging pile is lowered from the charging voltage/current to the safe voltage/current or the voltage/current is zero (about 3000 ms). The method comprises the steps that when a user presses a gun microswitch, a charging pile detects a door lock unlocking signal (about 1000 ms), and if the situation that the automobile is unlocked is detected (for example, the user unlocks through a remote control key in advance), a gun electronic lock is controlled to be unlocked; if the automobile is not unlocked, the user can be informed that the automobile is locked through a vehicle screen or APP and the like, and if the user does not unlock the automobile, the electronic lock of the gun cannot be released. When the charging pile is lowered to safe voltage/safe current from charging voltage and/or current, or the voltage and/or the current are lowered to zero, a signal for unlocking the vehicle door is received, the electronic lock of the gun is unlocked after interpretation and processing, and a user can pull the gun and drive the electric vehicle to drive away.
For ease of understanding, the following is illustrated with reference to the scenario shown in fig. 1:
as shown in fig. 1, when a user needs to charge an electric vehicle, the charging gun 4 is connected to a charging socket 7 on an electric vehicle 8, and after the charging gun 4 is reliably connected to the charging socket, an electronic lock 6 on the charging gun 4 is closed.
After charging is started, the door system 11 detects a door locking and unlocking signal controlled by a vehicle key, processes the door locking and unlocking signal and sends the door locking state to the ECU electronic controller 9. The ECU electronic controller 9 sends the door lock status to the ECU electronic controller 2 in the charging pile 1 through the BMS battery management system 10 on the electric vehicle 8 → the charging socket 7 → the charging gun 4. Or the ECU electronic controller 9 sends the information to the receiving device on the charging pile 1 in a wireless mode (radio frequency, Bluetooth, infrared and the like) through a wireless transmitting device on the vehicle door system, and the receiving device receives and processes the information and sends the information to the ECU electronic controller 2.
And in the charging process, when the user needs to finish charging. Pressing a microswitch 5 on a charging gun 4, receiving a trigger signal pressed by the microswitch 5 by an ECU electronic controller 2 in a charging pile 1, sending a command that an internal charging module stops outputting, and when the output voltage and/or current is reduced to safe voltage/current or the voltage and/or current is zero, controlling a contactor for outputting energy of an electric automobile 8 to be disconnected by the ECU electronic controller 2 of the charging pile 1, and stopping charging energy output of the electric automobile 8.
If the user needs to leave, the electric automobile 8 is unlocked, the automobile door lock is in an unlocked state, the ECU electronic controller 2 detects that the automobile door lock is unlocked after the output stopping command is sent, the electronic lock 6 is released, the user is allowed to take off the charging gun to finish charging, and the user can drive the electric automobile to leave. If after pressing charging gun micro-gap switch 5 certain time (10s), the user does not take off the charging gun, ECU electronic controller 2 detects that charging gun 4 is connected state with charging socket 7, then closed electronic lock, restart fills electric pile, continues to charge electric automobile 8.
If the user locks the automobile after inserting the gun for charging and leaves, the automobile door lock is in a locked state, the ECU electronic controller 2 detects that the automobile door lock is locked after sending the output stopping command, the electronic lock is kept closed, the charging pile is restarted after a certain time (10s), and the electric automobile 8 is continuously charged.
The embodiment provides a vehicle charging control method, which includes that when a vehicle is in a charging state, if a charging gun detects that a user performs a preset trigger action, a stop instruction is sent to a charging module; when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal; if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun; if so, the locked state of the locking mechanism is maintained. After the charging stopping instruction is sent out, the unlocking of the charging gun is completed in the process that the output state of the charging module is reduced, and compared with the method and the technology that the vehicle door state signal is received firstly, the stopping instruction is sent out again, and finally the charging module is waited to be stopped and reduced to the safe range, the waiting time can be greatly saved, and the technical problem that the time interval length from the charging stopping instruction to the unlocking of the charging gun is too long in the prior art is solved. And solve the situation that the charging and the gun pulling are maliciously stopped by a non-owner (the vehicle cannot be unlocked without a key); the charging gun can be pulled out by stopping the charging gun according to the voltage, and the technical effect of using experience of a user is improved. In addition, whether the vehicle is a vehicle with a special protocol or a vehicle with a non-special protocol, the charging gun can be directly stopped and unlocked to allow gun pulling by pressing the microswitch 1s (which can be set) of the charging gun for a long time, and the vehicle charging device can be adapted to vehicles with different charging protocols to realize the stopping charging and the gun pulling of the vehicles with different protocols.
Fig. 4 is a schematic structural diagram of a vehicle charging control device according to an embodiment of the present application. The vehicle charge control device 400 may be implemented by software, hardware, or a combination of both.
As shown in fig. 4, the vehicle charge control device 400 includes:
the detection module 401 is configured to detect whether a user performs a preset trigger action through a charging gun when the vehicle is in a charging state;
the processing module 402 is configured to send a stop instruction to the charging module if it is detected that the user performs a preset trigger action through the charging gun;
the detection module 401 is further configured to detect an output state of the charging module;
a processing module 402, further configured to:
when a stop instruction is sent, or when the output state of the charging module is detected to start to change and the output state does not reach a preset safety state, whether the vehicle is locked or not is judged in parallel according to a received vehicle door state signal;
if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to the locking mechanism, so that a user can take out the charging gun;
if so, the locked state of the locking mechanism is maintained.
In one possible design, the detection module 401 is configured to obtain an output voltage and/or an output current of the charging module;
a processing module 402 for: determining that the output state begins to change when the output voltage and/or the output current begins to decrease; and the output voltage does not reach the preset safe voltage and/or the output current does not reach the preset safe current, and the output state is determined not to reach the preset safe state.
In one possible design, the processing module 402 is further configured to: and when the output state is detected to reach the preset safety state, sending a disconnection instruction to a contactor to cut off the output of the charging energy, wherein the contactor is used for outputting the charging energy.
In one possible design, the processing module 402 is further configured to: when the vehicle is in a locked state, sending notification information to the vehicle or the mobile user terminal so as to output prompt information through the vehicle and/or the mobile user terminal, wherein the prompt information has the functions of: the vehicle is prompted to be in a locked state and/or a person is prompted to attempt to stop charging the vehicle.
Optionally, the method for outputting the prompt message by the vehicle includes:
displaying prompt information through a vehicle-mounted display screen;
and/or playing prompt information through a vehicle-mounted voice system;
and/or outputting prompt information through lamps and/or loudspeakers on the vehicle.
In one possible design, after the locking mechanism is unlocked, the detection module 401 is further configured to detect whether the charging gun is removed from the vehicle within a first preset time period;
a processing module 402, further configured to:
when the charging gun is detected not to be taken down from the vehicle within a first preset time period, sending a locking instruction to a locking mechanism to enable the charging gun to be locked again;
and sending a starting instruction to the charging module to recharge the vehicle.
In one possible design, the detection module 401 is further configured to detect whether the vehicle is unlocked within a second preset time period when the locking mechanism maintains the locked state;
the processing module 402 is further configured to send a turn-on instruction to the charging module to recharge the vehicle when the vehicle unlocking is not detected within a second preset time period.
It should be noted that the apparatus provided in the embodiment shown in fig. 4 can execute the method provided in any of the above method embodiments, and the specific implementation principle, technical features, term explanation and technical effects thereof are similar and will not be described herein again.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 5, the electronic device 500 may include: at least one processor 501 and memory 502. Fig. 5 shows an electronic device as an example of a processor.
The memory 502 is used for storing programs. In particular, the program may include program code including computer operating instructions.
Memory 502 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
Processor 501 is configured to execute computer-executable instructions stored in memory 502 to implement the methods described in the method embodiments above.
The processor 501 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application.
Alternatively, the memory 502 may be separate or integrated with the processor 501. When the memory 502 is a device independent from the processor 501, the electronic device 500 may further include:
a bus 503 for connecting the processor 501 and the memory 502. The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. Buses may be classified as address buses, data buses, control buses, etc., but do not represent only one bus or type of bus.
Alternatively, in a specific implementation, if the memory 502 and the processor 501 are integrated on a chip, the memory 502 and the processor 501 may communicate through an internal interface.
The embodiment of the application further provides a charging pile, including: any one of the possible electronic devices in the embodiment shown in fig. 5.
An embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium may include: various media that can store program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and in particular, the computer-readable storage medium stores program instructions for the methods in the above method embodiments.
An embodiment of the present application further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the method in the foregoing method embodiments.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The vehicle charging control method is applied to a charging pile and comprises the following steps:
when the vehicle is in a charging state, if the fact that a user performs a preset trigger action is detected through the charging gun, a stop instruction is sent to the charging module;
when the stop instruction is sent, or the output state of the charging module is detected to start changing and the output state does not reach a preset safety state, judging whether the vehicle is locked or not according to the received vehicle door state signal in parallel;
if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to a locking mechanism, so that the user can take out the charging gun;
and if so, maintaining the locking state of the locking mechanism.
2. The vehicle charge control method according to claim 1, wherein the detecting that the output state of the charging module starts to change includes:
acquiring the output voltage and/or the output current of the charging module;
determining that the output state begins to change when the output voltage and/or the output current begins to drop;
correspondingly, the output state has not yet reached the preset safe state, including:
and the output voltage does not reach a preset safe voltage, and/or the output current does not reach a preset safe current.
3. The vehicle charge control method according to claim 1 or 2, characterized by further comprising:
and when the output state is detected to reach the preset safety state, sending a disconnection instruction to a contactor to cut off the output of charging energy, wherein the contactor is used for outputting the charging energy.
4. The vehicle charge control method according to claim 1 or 2, characterized by, when the vehicle is in a locked state, further comprising:
sending notification information to the vehicle or the mobile user terminal so as to output prompt information through the vehicle and/or the mobile user terminal, wherein the prompt information has the functions of: prompting the vehicle to be in the locked state, and/or prompting a person to attempt to stop charging the vehicle.
5. The vehicle charge control method according to claim 1, further comprising, after said sending an unlock instruction to the lock mechanism:
when the charging gun is detected not to be taken off from the vehicle within a first preset time period, sending a locking instruction to a locking mechanism to enable the charging gun to be locked again;
and sending a starting instruction to the charging module to recharge the vehicle.
6. The vehicle charge control method according to claim 1 or 5, characterized by further comprising, after the maintaining of the locked state of the lock mechanism:
and when the unlocking of the vehicle is not detected within a second preset time period, sending a starting instruction to the charging module to recharge the vehicle.
7. A vehicle charge control device, characterized by comprising:
the detection module is used for detecting whether a user performs a preset trigger action or not through the charging gun when the vehicle is in a charging state;
the processing module is used for sending a stopping instruction to the charging module if the charging gun detects that the user performs the preset triggering action;
the detection module is also used for detecting the output state of the charging module;
the processing module is further configured to:
when the stop instruction is sent, or the output state of the charging module is detected to start changing and the output state does not reach a preset safety state, judging whether the vehicle is locked or not according to the received vehicle door state signal in parallel;
if not, when the preset safety state is reached or before the preset safety state is reached, an unlocking instruction is sent to a locking mechanism, so that the user can take out the charging gun;
and if so, maintaining the locking state of the locking mechanism.
8. An electronic device, comprising: a processor and a memory;
the memory for storing a computer program for the processor;
the processor is configured to execute the vehicle charge control method of any one of claims 1 to 6 via execution of the computer program.
9. A charging pile comprising the electronic device according to claim 8.
10. A computer-readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing the vehicle charge control method according to any one of claims 1 to 6.
CN202210162815.4A 2022-02-22 2022-02-22 Vehicle charging control method, apparatus, device, medium, and program product Pending CN114407714A (en)

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